Eduprobe
Question:
Which one of the following are the correct observations about acetic acid?
It turns blue litmus red and smells like burning sulphur
It turns blue litmus red and smells like vinegar
It turns red litmus blue and has a fruity smell
It turns red litmus blue and smells like vinegar
Solution:
Acetic acid is a colourless liquid organic compound. It is a weak acid that turns blue litmus paper red. Vinegar is roughly 3–9% acetic acid in water.